Urea retention and uptake by avocado and apple leaves

References

• Abou Aziz , A.B. , Desouki , I. and El‐Tanahy , M.M. 1975 . Effect of nitrogen fertilization on yield and fruit oil content of avocado trees . Scient. Hort. , 3 : 89 – 94 .
   Google Scholar
• Bullock , R.M. and Benson , N.R. 1952 . Absorption of urea sprays on peach trees . Proc. Amer. Soc. Hort. Sci. , 60 : 71 – 74 .
   Google Scholar
• Cain , J.C. 1956 . Absorption and metabolism of urea by leaves of coffee, cacao and banana . Proc. Amer. Soc. Hort. Sci. , 67 : 279 – 286 .
   Google Scholar
• Cook , J.A. and Boynton , D. 1952 . Some factors affecting the absorption of urea by Mclntosh apple . Proc. Amer. Soc. Hort. Sci. , 59 : 82 – 90 .
   Web of Science ®Google Scholar
• Eckert , J.W. and Childers , N.F. 1954 . Effect of urea sprays on leaf nitrogen and growth of Elberta peach . Proc. Amer. Soc. hort. Sci. , 63 : 19 – 22 .
   Google Scholar
• Freiberg , S.R. and Payne , P. 1957 . Foliar absorption of urea and urease activity in banana plants . Proc. Amer. Soc. Hort. Sci. , 69 : 226 – 234 .
   Google Scholar
• Goodman , R.N. and Addy , S.K. 1963 . Penetration of excised apple cuticular membranes by radioactive pesticides and other model compounds . Phytopath. Z. , 46 : 1 – 10 .
   Google Scholar
• Halliday , D.J. 1961 . Foliar application of major nutrients to fruit and plantation crops . Outl. Agric. , 3 : 111 – 115 .
   Google Scholar
• Impey , R.L. and Jones , W.W. 1960 . Rate of absorption of urea by intact leaves of Washington Navel orange . Proc. Amer. Soc. Hort. Sci. , 76 : 181 – 185 .
   Google Scholar
• Klein , I. and Heinbaum , S. A. 1985 . Foliar application of urea to almond and olive: Leaf retention and kinetics of uptake . J. PI. Nutr. , 8 : 117 – 129 .
   Web of Science ®Google Scholar
• Leece , D.R. 1976 . Composition and ultrastructure of leaf cuticles from fruit trees, relative to differential foliar absorption . Aust. J. Pl. Physiol. , 3 : 833 – 847 .
   Google Scholar
• Leece , D.R. and Dirou , J.F. 1977 . Organosilicone and alginate adjuvants evaluated in urea sprays foliar‐applied to prune trees . Commun. Soil Sci. PI. Anal. , 8 : 169 – 176 .
   Web of Science ®Google Scholar
• Leece , D.R. and Dirou , J.F. 1979 . Comparison of urea foliar sprays containing hydrocarbon or silicone surfactants with soil applied nitrogen in maintaining the leaf nitrogen concentration of prune trees . J. Amer. Soc. Hort. Sci. , 104 : 644 – 648 .
   Web of Science ®Google Scholar
• Leece , D.R. and Kenworthy , A.L. 1971 . Effect of potassium nitrate foliar sprays on leaf nitrogen concentration and growth of peach trees . HortScience , 6 : 171 – 173 .
   Google Scholar
• Neumann , P.M. and Prinz , R. 1974 . The effect of organosilicone surfactants in foliar nutrient sprays on increased absorption of phosphate and iron salts through stomatal infiltration . Israel J. agric. Res. , 23 : 123 – 128 .
   Google Scholar
• Norton , R.A. and Childers , N.F. 1954 . Experiments with urea sprays on the peach . Proc. Amer. Soc. Hort. Sci. , 63 : 23 – 31 .
   Web of Science ®Google Scholar
• Oland , K. 1963 . Response of cropping apple trees to postharvest urea sprays . Nature (Lond.) , 198 : 1282 – 1283 .
   Web of Science ®Google Scholar
• Polacco , J.C. 1976 . Nitrogen metabolism in soybean tissue culture. I. Assimilation of urea . P1. Physiol. , 58 : 350 – 357 .
   Google Scholar
• Walker , D.R. and Fisher , E.G. 1955 . Foliar sprays of urea on sour cherry trees . Proc. Amer. Soc., Hort. Sci. , 66 : 21 – 27 .
   Google Scholar
• Weinberger , J.H. 1949 . Test on foliar fertilization of peach trees with urea . Proc. Amer. Soc. Hort. Sci. , 53 : 26 – 28 .
   Google Scholar
• White , G.C. and Glenn , E. 1966 . A note on the effect of urea sprays on early laxton plums . A. Rep. E. Mailing Res. Stan. , 54 : 144 – 145 .
   Google Scholar